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Environmental Monitoring and Assessment

, Volume 107, Issue 1–3, pp 399–406 | Cite as

Quantification of Polycyclic Aromatic Hydrocarbons in Tea and Coffee Samples of Mumbai City (India) by High Performance Liquid Chromatography

  • Narsi R. BishnoiEmail author
  • Urvashi Mehta
  • Umashanker Sain
  • G. G. Pandit
Article

Abstract

This paper describes a method for quantification of sixteen polycyclic aromatic hydrocarbons (PAHs) in tea and coffee samples of Mumbai City with the help of reversed phase high performance liquid chromatography with UV-VIS detector. This method is based on liquid–liquid extraction followed by clean up with C-18 cartridge. Concentration of total PAHs in different brands of tea and coffee samples varied from 18.79 to 31.37 μg/L and from 16.47 to 18.24 μg/L, respectively. Mean concentration of total PAHs was 27.56 μg/L in tea and 17.20 μg/L in coffee. Recoveries at different concentration levels were higher than 68% in samples of tea and coffee. Detection limit was found to be low (0.0006 ng) for anthracene and highest (0.174 ng) for naphthalene with relative standard deviation between 0.4%–7%.

Keyword

coffee extraction hexane high performance liquid chromatography polycyclic aromatic hydrocarbon tea 

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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • Narsi R. Bishnoi
    • 1
    Email author
  • Urvashi Mehta
    • 1
  • Umashanker Sain
    • 1
  • G. G. Pandit
    • 1
  1. 1.Department of Environmental Science & EngineeringGuru Jambheshwar UniversityHisarIndia

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